Most people know roughly what they'd like to live on each month. Fewer know how much of that is already guaranteed. The difference between the two is what your savings have to cover.
After tax, in today's dollars. A rough number is fine.
Income that arrives whatever the market does. Leave anything blank if it doesn't apply or you're not sure.
Nothing here is sent anywhere or saved. It's arithmetic running in your browser.
Fill in what you'd like each month and what's already coming in. The gap is simply the difference.